html {
  --size-screen-sm: 576px;
  --size-screen-md: 768px;
  --size-screen-lg: 992px;
  --size-screen-xl: 1200px;
  --size-screen-xxl: 1600px;

  --color-red: #f44336;
  --color-blue: #2196f3;
  --color-purple: #9c27b0;
  --color-orange: #ffc107;
  --color-green: #4caf50;
  --color-yellow: #ffeb3b;
  --color-brown: #795548;
  --color-black: #4c4c4c;
  --color-pink: #f06292;
  --color-grey: #78909c;
}
